82 A CATALOGUE OF THE BRITISH MARINE 



Gen. 201. PTEROSIPHONIA Falk. 



P. complanata Schm. (= Rytiphlcea complanata Harv.). Coasts 

 of Cornwall (St. Minver, Land's End, Falmouth, Whitsand Bay) ; 

 Devon (Plymouth). Ireland: Cork (Bantry Bay) ; Clare (Caarush 

 Pt., Miltown Malbay). Very rare. 



P. parasitica Schm. (= Polysiphonia parasitica Grev.). Coasts 

 of Cornwall (St. Minver, Mount's Bay, Falmouth, Looe) ; Devon 

 (Plymouth, Torbay) ; Hants (Isle of Wight) ; Yorks. (Filey) ; 

 Durham (Seaham, Roker) ; Northumberland (Whitley, Alnmouth, 

 Holy Island, Berwick); Isle of Man. Scotland: Haddington 

 (Dunbar, North Berwick); Edinburgh (Newhaven) ; Fife (Earls- 

 ferry) ; Forfar (Arbroath); Kincardine (Dunottar Castle); Aberdeen 

 (Peterhead) ; Banff (Macduff) ; Orkney (Kirkwall, Skaill) ; Argyle 

 (Loch Fyne) ; Bute (Arran, Cumbrae) ; Ayr (Largs, Ardrossan, 

 Portincross, Saltcoats) ; Wigtown (Loch Ryan). Ireland : Wicklow 

 (Black Castle) ; Cork (Bantry) ; Clare (Kilkee). Rather rare. 

 Var. ft coralloides (Kiitz.). Berwick. Var. y repens J. Ag. Ply- 

 mouth, Berwick, Ardrossan. Rare. 



P. pennata Schm. (= Polysiphonia pennata J. Ag.). Mrs. Gulson 

 is said to have found this species at Exmouth (vide Gifford, Mar. 

 Bot. p. 122). 



P. thuyoides Schm. (= RytipJdosa thuyoides Harv.). Coasts of 

 Cornwall (Padstow, St. Minver, Trevone, Mount's Bay, Falmouth); 

 Devon (Ilfracombe, Plymouth, Torquay, Sidmouth) ; Dorset (Port- 

 land, Swanage) ; Hants (Isle of Wight) ; Suffolk (Felixstowe) ; 

 Norfolk (Cromer) ; Northumberland (St. Mary Island) ; Cheshire 

 (Hilbre Island) ; Isle of Man. Scotland : Haddington (Dunbar) ; 

 Bute (Arran) ; Ayr (Portiiicross). Ireland: Dublin (Howth, Bal- 

 briggan) ; Antrim (Portrush) ; west coast generally. Channel 

 Islands (Jersey, Guernsey). Rather rare. 



Gen. 202. BRONGNIARTELLA Bory. 



B. byssoides Bory (= Polysiphonia byssoides Grev.). Coasts of 

 Cornwall, Devon, Dorset, Hants, Sussex, Kent, Essex (Walton), 

 Suffolk (Felixstowe), Norfolk (Yarmouth, Cromer), Yorks. (Scar- 

 borough), Northumberland (Cullercoats, Alnmouth, Berwick), Isles 

 of Man and Auglesea. Scotland: Berwicks., Haddington, Edin- 

 burgh, Fife, Forfar, Kincardine, Aberdeen, Moray Firth, Orkney, 

 Argyle, Bute, Ayr. Ireland : Cork (Bantry) ; Clare (Miltown Mal- 

 bay). Channel Islands. Common on the southern and eastern 

 shores of England and Ireland ; rare in Scotland and the west of 

 Ireland. 



Tribe DASYE.E Schm. 



Gen. 203. DASYA Ag. 



D. corymbifera Crn. (= D. venusta Harv.). Coasts of Dorset 

 (Weymouth, Studland) and the Channel Islands (Jersey, Guernsey). 

 Very rare. 



D. arbuscula Ag. Coasts of Cornwall (Scilly Islands, Land's 

 End, Lizard, Falmouth, Padstow, Trevone) ; Devon (Plymouth, 

 Salcombe, Teignmouth) ; Dorset (Weymouth) ; Hants (Isle of 



